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Voice agents use the same role, goal, instructions, tools, knowledge, and guardrail model as text agents, with additional audio and telephony settings.

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Create a voice agent

  1. Open Voice Agents in Studio.
  2. Click Create Agent.
  3. Choose an engine mode: Realtime or Pipeline.
  4. Configure the agent’s role, goal, and instructions.
  5. Choose who speaks first: the agent or the caller.
  6. Optional: connect a Knowledge Base, tools, and dynamic variables.
  7. Test the agent before assigning a phone number.

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Engine settings

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Advanced options

  • Noise cancellation for noisy environments
  • Preemptive generation for lower latency
  • Call recording for QA and compliance
  • Knowledge Base retrieval for grounded answers

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Bring your own voice providers

Pipeline voice agents can use your own speech and language infrastructure instead of Lyzr’s built-in stack. Connect a BE8 voice gateway for streaming STT and TTS, or an OpenAI-compatible LLM server, under Connections > Voice Providers. See Voice Providers for setup.